Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11906402 | Automatic aseptic sampling valve for sampling from enclosed containers | Douglas L. Millard, Erwin Y. Yu, Paul T. Jeffers, Jeffrey W. Weber | 2024-02-20 |
| 10675602 | Spray-drying process | Dwayne T. Friesen, John M. Baumann, Devon B. DuBose, Douglas L. Millard | 2020-06-09 |
| 10300443 | Spray-drying process | Dwayne T. Friesen, John M. Baumann, Devon B. DuBose, Douglas L. Millard | 2019-05-28 |
| 9724664 | Spray-drying process | Dwayne T. Friesen, John M. Baumann, Devon B. DuBose, Douglas L. Millard | 2017-08-08 |
| 9499782 | Automatic aseptic sampling valve for sampling from enclosed containers | Douglas L. Millard, Erwin Y. Yu, Paul T. Jeffers, Jeffrey W. Weber | 2016-11-22 |
| 9389151 | Fixed volume aseptic sampling valve for sampling from enclosed containers | Douglas L. Millard, Erwin Y. Yu, Paul T. Jeffers, Jeffrey W. Weber | 2016-07-12 |
| 9358478 | Spray-drying apparatus and methods of using the same | Daniel E. Dobry, James M. Mullin, Douglas L. Millard, Dwayne T. Friesen, John M. Baumann +1 more | 2016-06-07 |
| 9322749 | Automatic sampling system for sampling from enclosed containers | Douglas L. Millard, George Lewis Ellis, Jr. | 2016-04-26 |
| 9265731 | Drying of drug-containing particles | Roderick J. Ray, Ronald A. Beyerinck, Daniel E. Dobry, Kevin Douglas Grove | 2016-02-23 |
| 9248584 | High-temperature spray drying process and apparatus | Dwayne T. Friesen, John M. Baumann, Devon B. DuBose, Douglas L. Millard | 2016-02-02 |
| 9084976 | Spray-drying apparatus and methods of using the same | Daniel E. Dobry, James M. Mullin, Douglas L. Millard, Dwayne T. Friesen, John M. Baumann +1 more | 2015-07-21 |
| 7625507 | Extrusion process for forming chemically stable drug multiparticulates | Roderick J. Ray, Leah E. Appel, Dwayne T. Friesen, Scott B. McCray, David Keith Lyon +3 more | 2009-12-01 |
| 7030338 | Pharmaceutical laser drilling system | Mark S. Carruthers, Christopher Donovan Craig, Douglas L. Millard, Kenny R. Spence, Avinash Thombre | 2006-04-18 |
| 6059857 | Ultrapurification of organic solvents | Roderick J. Ray, Dwayne T. Friesen, Scott B. McCray, Lori A. Ray | 2000-05-09 |
| 5843209 | Vapor permeation system | Roderick J. Ray, Dwayne T. Friesen, Scott B. McCray | 1998-12-01 |
| 5753008 | Solvent resistant hollow fiber vapor permeation membranes and modules | Dwayne T. Friesen, Scott B. McCray, Roderick J. Ray | 1998-05-19 |
| 5681433 | Membrane dehydration of vaporous feeds by countercurrent condensable sweep | Dwayne T. Friesen, Scott B. McCray, Roderick J. Ray | 1997-10-28 |
| 5645626 | Composite hydrogen separation element and module | David J. Edlund, Chester B. Frost | 1997-07-08 |
| 5611842 | Organic and inorganic vapor permeation by countercurrent condensable sweep | Dwayne T. Friesen, Scott B. McCray, Roderick J. Ray | 1997-03-18 |
| 5464540 | Pervaporation by countercurrent condensable sweep | Dwayne T. Friesen, Scott B. McCray, Roderick J. Ray | 1995-11-07 |
| 5236474 | Membrane-based removal of condensable vapors | Richard W. Schofield, Scott B. McCray, Dwayne T. Friesen, Roderick J. Ray | 1993-08-17 |
| 5218833 | Temperature and humidity control in a closed chamber | — | 1993-06-15 |
| 5160514 | Sweep valve for dehydration valve | Raymond H. Colton | 1992-11-03 |
| 5108464 | Countercurrent dehydration by hollow fibers | Dwayne T. Friesen, Roderick J. Ray, Scott B. McCray | 1992-04-28 |
| 5002590 | Countercurrent dehydration by hollow fibers | Dwayne T. Friesen, Roderick J. Ray | 1991-03-26 |